Hi,
I have search in our KB and it seems that this issue can be caused by the Kernel and DBSL. I see that you're using for this SAP Kernel 720, probably the DBSL is on the same patch. Note that these are not supported anymore. Maybe you could try to download the latest SWPM release that will probably require a higher level of SAP Kernel and try again with 721 or 722 (I'm not sure whether it will ask 721 or 722).
Kind Regards,
Luis